Listening for specific information in a talk about the human impact on ecosystems, and making predictions

Hiểu bài

The material defines a coral reef as hard rock formed by coral in warm sea water and a food chain as the order in which living things depend on one another for food. Statements address threats from human activity, widespread forest loss, species disappearance disrupting food chains, and the dependence of human health on healthy ecosystems. Learners listen for specific information and make predictions, then discuss what humans can do to protect and restore Earth’s ecosystems.